1 /*
2  * Realtek RTL2832U SDR driver
3  *
4  * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
10  *
11  *    This program is distributed in the hope that it will be useful,
12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *    GNU General Public License for more details.
15  *
16  *    You should have received a copy of the GNU General Public License along
17  *    with this program; if not, write to the Free Software Foundation, Inc.,
18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * GNU Radio plugin "gr-kernel" for device usage will be on:
21  * http://git.linuxtv.org/anttip/gr-kernel.git
22  *
23  */
24 
25 #ifndef RTL2832_SDR_H
26 #define RTL2832_SDR_H
27 
28 #include <linux/i2c.h>
29 #include <media/v4l2-subdev.h>
30 #include "dvb_frontend.h"
31 
32 /**
33  * struct rtl2832_sdr_platform_data - Platform data for the rtl2832_sdr driver
34  * @clk: Clock frequency (4000000, 16000000, 25000000, 28800000).
35  * @tuner: Used tuner model.
36  * @i2c_client: rtl2832 demod driver I2C client.
37  * @bulk_read: rtl2832 driver private I/O interface.
38  * @bulk_write: rtl2832 driver private I/O interface.
39  * @update_bits: rtl2832 driver private I/O interface.
40  * @dvb_frontend: rtl2832 DVB frontend.
41  * @v4l2_subdev: Tuner v4l2 controls.
42  * @dvb_usb_device: DVB USB interface for USB streaming.
43  */
44 
45 struct rtl2832_sdr_platform_data {
46 	u32 clk;
47 	/*
48 	 * XXX: This list must be kept sync with dvb_usb_rtl28xxu USB IF driver.
49 	 */
50 #define RTL2832_SDR_TUNER_FC2580    0x21
51 #define RTL2832_SDR_TUNER_TUA9001   0x24
52 #define RTL2832_SDR_TUNER_FC0012    0x26
53 #define RTL2832_SDR_TUNER_E4000     0x27
54 #define RTL2832_SDR_TUNER_FC0013    0x29
55 #define RTL2832_SDR_TUNER_R820T     0x2a
56 #define RTL2832_SDR_TUNER_R828D     0x2b
57 	u8 tuner;
58 
59 	struct i2c_client *i2c_client;
60 	int (*bulk_read)(struct i2c_client *, unsigned int, void *, size_t);
61 	int (*bulk_write)(struct i2c_client *, unsigned int, const void *, size_t);
62 	int (*update_bits)(struct i2c_client *, unsigned int, unsigned int, unsigned int);
63 	struct dvb_frontend *dvb_frontend;
64 	struct v4l2_subdev *v4l2_subdev;
65 	struct dvb_usb_device *dvb_usb_device;
66 };
67 
68 #endif /* RTL2832_SDR_H */
69